Open box product with 90 day warranty from NETXUSA. The 1185 is a weatherproof Horn Speaker selected for use with Algo's 1825 Duet Plus Loud Ringer and the 8180 SIP Audio Alerter. Ideal for attention-getting voice or telephone signaling applications in high ambient noise or outdoor applications, the 1185 is driven by a power amplifier in the Duet Plus (or the 8180).